I guess, I have personally had probably five systems were I did this, starting many year ago with the Namichi ac leakage voltage meter. I have heard it also on at least five friends' systems.
But really it is the ground loop issue which is always there with each chassis grounded through the ac cord as well as through the interconnects to other chassis. Many sources have no chassis ground even if they have three prong plugs.
I do agree, however, that few demonstrators don't bother with this.
But really it is the ground loop issue which is always there with each chassis grounded through the ac cord as well as through the interconnects to other chassis. Many sources have no chassis ground even if they have three prong plugs.
I do agree, however, that few demonstrators don't bother with this.